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Finding the Fourth Proportional to 263,452.80, 394,027.20 and 235,574.40

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Solution

The fourth proportional to 263,452.80, 394,027.20 and 235,574.40 is: 352,331.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,452.80 : 394,027.20 = 235,574.40 : x
  2. Step 2: Convert to fraction form
    263,452.80/394,027.20 = 235,574.40/x
  3. Step 3: Cross multiply
    263,452.80x = 394,027.20 × 235,574.40
  4. Step 4: Simplify right side
    263,452.80x = 92,822,721,223.68
  5. Step 5: Solve for x
    x = 92,822,721,223.68/263,452.80
  6. Step 6: Final answer
    x = 352,331.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.